Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/14909
DC FieldValueLanguage
dc.contributorDepartment of Land Surveying and Geo-Informatics-
dc.creatorCai, C-
dc.creatorLuo, X-
dc.creatorLiu, Z-
dc.creatorXiao, Q-
dc.date.accessioned2015-04-29T07:27:19Z-
dc.date.available2015-04-29T07:27:19Z-
dc.identifier.issn0373-4633-
dc.identifier.urihttp://hdl.handle.net/10397/14909-
dc.language.isoenen_US
dc.subjectGalileoen_US
dc.subjectGPSen_US
dc.subjectNavigationen_US
dc.titleGalileo signal and positioning performance analysis based on four IOV satellitesen_US
dc.typeJournal/Magazine Articleen_US
dc.identifier.doi10.1017/S037346331400023X-
dcterms.abstractWith the availability of Galileo signals from four in-orbit validation (IOV) satellites, positioning with Galileo-only observations has become possible, which allows us to assess its positioning performance. The performance of the Galileo system is evaluated in respect of carrier-to-noise density ratio (C/N0), pseudorange multipath (including noise), Galileo broadcast satellite orbit and satellite clock errors, and single point positioning (SPP) accuracy in Galileo-only mode as well as in GPS/Galileo combined mode. The precision of the broadcast ephemeris data is assessed using the precise satellite orbit and clock products from the Institute of Astronomical and Physical Geodesy of the Technische Universit√§t M√ľnchen (IAPG/TUM) as references. The GPS-Galileo time offset (GGTO) is estimated using datasets from different types of GNSS receivers and the results indicate that a systematic bias exists between different receiver types. Positioning solutions indicate that Galileo-only SPP can achieve a three-dimensional position accuracy of about six metres. The integration of Galileo and GPS data can improve the positioning accuracies by about 10% in the vertical components compared with GPS-only solutions.-
dcterms.isPartOfJournal of Navigation-
dcterms.issued2014-
dc.identifier.scopus2-s2.0-84901571979-
dc.identifier.rosgroupidr71361-
dc.description.ros2013-2014 > Academic research: refereed > Publication in refereed journal-
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